CN101482028A - Method for preventing pipe blocking of waste rock pumping and filling system - Google Patents
Method for preventing pipe blocking of waste rock pumping and filling system Download PDFInfo
- Publication number
- CN101482028A CN101482028A CNA2009100144149A CN200910014414A CN101482028A CN 101482028 A CN101482028 A CN 101482028A CN A2009100144149 A CNA2009100144149 A CN A2009100144149A CN 200910014414 A CN200910014414 A CN 200910014414A CN 101482028 A CN101482028 A CN 101482028A
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- spoil
- pump
- pipeline
- water
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100144149A CN101482028B (en) | 2009-02-17 | 2009-02-17 | Method for preventing pipe blocking of waste rock pumping and filling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100144149A CN101482028B (en) | 2009-02-17 | 2009-02-17 | Method for preventing pipe blocking of waste rock pumping and filling system |
Publications (2)
Publication Number | Publication Date |
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CN101482028A true CN101482028A (en) | 2009-07-15 |
CN101482028B CN101482028B (en) | 2010-12-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009100144149A Expired - Fee Related CN101482028B (en) | 2009-02-17 | 2009-02-17 | Method for preventing pipe blocking of waste rock pumping and filling system |
Country Status (1)
Country | Link |
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CN (1) | CN101482028B (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19758679C2 (en) * | 1997-08-28 | 2002-12-19 | Kali Umwelttechnik Sondershaus | Filler for filling cavities in saline and process for its preparation |
CA2497722A1 (en) * | 2004-02-20 | 2005-08-20 | Rey Johannes Roodt | Rock face consolidation |
CN201165881Y (en) * | 2008-01-17 | 2008-12-17 | 中国矿业大学 | Downhole gangue pump filling system |
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2009
- 2009-02-17 CN CN2009100144149A patent/CN101482028B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN101482028B (en) | 2010-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TAI'AN HENGCHI INDUSTRY + TRADE CO., LTD. Free format text: FORMER OWNER: SHANDONG HUAHENG MINE CO., LTD. Effective date: 20140513 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271200 TAIAN, SHANDONG PROVINCE TO: 271202 TAIAN, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140513 Address after: 271202 Industrial Zone, Wen Nan Town, Shandong, Xintai Patentee after: Tai'an Hengchi Industry & Trade Co., Ltd. Address before: 271200, Shandong, Shandong province Xintai Town, South China Heng Mining Co., Ltd. Patentee before: Shandong Huaheng Mine Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20160217 |